9984662672 has 40 divisors (see below), whose sum is σ = 19674115776. Its totient is φ = 4907776896.

The previous prime is 9984662647. The next prime is 9984662707. The reversal of 9984662672 is 2762664899.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529958 + ... + 548474.

Almost surely, 2^9984662672 is an apocalyptic number.

It is an amenable number.

9984662672 is a deficient number, since it is larger than the sum of its proper divisors (9689453104).

9984662672 is a wasteful number, since it uses less digits than its factorization.

9984662672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19095 (or 19089 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The square root of 9984662672 is about 99923.2839332255. The cubic root of 9984662672 is about 2153.3326840623.

The spelling of 9984662672 in words is "nine billion, nine hundred eighty-four million, six hundred sixty-two thousand, six hundred seventy-two".